| Cascais to Deville-les-Rouen | 905.61 mi (1,457.44 km) |
| Cascais to Dieppe | 930.92 mi (1,498.17 km) |
| Cascais to Digne-les-Bains | 890.82 mi (1,433.64 km) |
| Cascais to Dijon | 938.78 mi (1,510.82 km) |
| Cascais to Dinan | 767.45 mi (1,235.09 km) |
| Cascais to Dinard | 777.65 mi (1,251.51 km) |
| Cascais to Divonne-les-Bains | 949.99 mi (1,528.86 km) |
| Cascais to Dole | 948.95 mi (1,527.18 km) |
| Cascais to Dombasle-sur-Meurthe | 1,040.97 mi (1,675.27 km) |
| Cascais to Domerat | 804.89 mi (1,295.35 km) |
| Cascais to Domont | 920.50 mi (1,481.40 km) |
| Cascais to Douai | 1,011.56 mi (1,627.94 km) |
| Cascais to Douarnenez | 696.97 mi (1,121.67 km) |
| Cascais to Douchy-les-Mines | 1,017.30 mi (1,637.19 km) |
| Cascais to Dourdan | 885.70 mi (1,425.39 km) |
